Greece's mussel harvest wiped out by warming seas, again

Greek mussel farmers say they've lost most of this year's crop to the warming Aegean Sea, as record temperatures hit mussel harvests in northern Greece for the second time in three years. Ahead of the United Nations climate summit known as COP29, experts are urging governments to support food producers in tackling climate-related costs, with one biologist warning that Greece's mussel industry is on the brink of collapse. Alice Rizzo reports.